The Sears 410 Model 1011380 was manufactured in 1970. This model is part of the Sears line of shotguns produced during that time. It's important to check the specific details of the firearm for the exact year, as variations may occur.
http://www.e-gunparts.com/DisplayAd.asp?chrProductSKU=121950D&chrSuperSKU=121950&MC= scroll down to Item No. 121950D
A clip-fed bolt action shotgun is worth $25 to $75, depending on the condition. A .410 might bring a bit more if you can find the right buyer. This one is really a Stevens model 58 with the Sears name.
The Sears Roebuck model 410 103.741 is a shotgun that was produced in the early 1960s. Specifically, it was manufactured around 1964. The model number indicates it was part of Sears' line of firearms, which were often made by other manufacturers and sold under the Sears brand.
Depends on model and condition. It was not made by Sears, but by another gunmaker FOR Sears.
About 100 US dollars
The same, Its a Stevens model 95, a Savage 96 and a sears 101.100
Depends on the model. We usually have parts.
www.e-gunparts.com
50-150 USD
$80-$100.
With such a detailed description of your shotgun, all I can say is that Sears sold shotguns, including .410 gauge, from the 1880's to about 1990.
Probably Harrington & Richardson